Improvement and Aggravation of Spontaneous Unruptured Vertebral Artery Dissection

Conclusions: VAD improvement primarily occurs within 6 months after onset, and VAD aggravation within 1 month. It seems that older patients and current smoking are negative predictors of VAD improvement as risk factors, and as image findings, the pearl and string sign is a positive predictor and occlusion a negative predictor.Cerebrovasc Dis Extra 2017;7:153 –164
Source: Cerebrovascular Diseases Extra - Category: Neurology Source Type: research